Crazy things with .htaccess

[Marwen]

Hi guys,
I have a question.
I just looked in all the configs on a server to see why all pages under /home/User on the server have "noindex nofollow" in the headers.

But I couldn't find anything in the apache and nginx configs or in the user .htaccess.

After a while I found a .htaccess in the / of server where the header always set X-Robots tag "noindex, nofollow" was written.

I then removed the .htaccess from / and all pages, including those under /home, no longer had an entry.

Is this a bug or feature of the DA nginx_apache?


addendum:
if in the /.htaccess

<IfModule mod_env.c>

Header onsuccess unset X-Robots-Tag
Header always set X-Robots-Tag "noindex, nofollow"

SetEnv modHeadersAvailable true
</IfModule>

and the user has an .htaccess with <IfModule mod_env.c> without
Header onsuccess unset X-Robots-Tag
Header always set X-Robots-Tag "noindex, nofollow"

then the user header has "noindex, nofollow" also